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US3028091A
Expired / Lapsed
US
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Simulator
Assignee: Individual
•
Filing: 1958-08-13
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Granted: 1962-04-03
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Expires: 1978-08-13
Abstract
No abstract record available.
Inventors
- 👤 Stanley O Johnson
- 👤 Thomas E Fairey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:18
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/48; G06G7/54; G21; G21C; G21C17/00; G21C17/001; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2894688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |